unreality

As nouns the difference between unreality and nonexistence

is that unreality is lack of reality or real existence while nonexistence is the state of not existing.

As nouns the difference between unreality and limbo

is that unreality is lack of reality or real existence while limbo is the place where innocent souls exist temporarily until they can enter heaven, notably those of the saints who died before the advent of Christ (limbus patruum) and those of unbaptized but innocent children (limbus infantum).

As nouns the difference between fantasy and unreality

is that fantasy is that which comes from one's imagination while unreality is lack of reality or real existence.

As a verb fantasy

is (literary|psychoanalysis) to fantasize (about).

As nouns the difference between unreality and irreality

is that unreality is lack of reality or real existence while irreality is unreality.

is likely misspelled.

has no English definition.

As a noun unreality

is lack of reality or real existence.

As nouns the difference between chimera and unreality

is that chimera is chimera while unreality is lack of reality or real existence.